Welcome to the CHEM 404 resource page! A list of major topics and subtopics are listed below. The videos are carefully selected for quality of content, depth of coverage, and alignment with course material. Use the videos to preview, review, or enhance your understanding of course content.
Chemistry Honor Society​
- Peer-led free tutoring for general and organic chemistry courses led by AXS (Alpha Chi Sigma)
- Location: Parsons W131
- Hours: Tuesdays & Wednesdays 7pm-9pm
- Contact: mamuchapter@gmail.com
Chemistry TA Office Hours​
- Free assistance with lab assignments, problems, concepts, and online homework assignments for: CHEM 403, CHEM 404, CHEM 405, and CHEM 411
- Location: Zoom and in-person options available - check TA office hours in
- Contact: Ian Konen (ian.konen@unh.edu)
Chemistry 404 Video Library
Sigma & Pi Bonds - Crash Course - starting at 5:27 video
Sigma & Pi Bonds - Janet Coonce video
Sigma & Pi Bonds - ChemistNate video
Valence Bonds - Brightstorm video
Valence Bonds - Khan Academy- also see sp2 & sp1 video
Khan Academy - Dipole Moments video
Polarity - Crash Course video
Polarity - Teacher's Pet video
VESPR - Crash Course video
VESPR - Tyler DeWitt video
Lewis Structures - Khan Academy - Formal Charge video
Lewis Structures - Ketzbook video
Lewis Structures - Crash Course video
Solutions - WACE Chem video
Solutions - Crash Course video
Solutions - Khan Academy video
Forces - Tyler DeWitt - Hydrogen bonds video
Forces - Khan Academy video
Forces - Fuse School video
Vapor Pressure - Dr. B's Chemistry Videos
Vapor Pressure - Khan Academy video
Vapor Pressure - Teacher's Pet video
Heat of Vapor/Fusion - Professor Dave Explains video
Heat of Vapor/Fusion - Khan Academy video
Heat of Vapor/Fusion - Teacher's Pet video
Phase Diagrams - Brightstorm video
Phase Diagrams - Khan Academy video
Phase Diagrams - Teacher's Pet video
Physical States & Phase Changes - Tyler DeWitt video
Physical States & Phase Changes - Khan Academy video
Physical States & Phase Changes - Teacher's Pet video
Chemistry 404, Physical Science - Hybridization in Organic Compounds
Polymers - FuseSchool video
Polymers - TedEd video
Polymers - Crash Course video
Functional Groups - Crash Course video
Functional Groups - Fuse School video
Functional Groups - Khan Academy video
Isomers - Khan Academy - all isomers video
Isomers - Khan Academy - cis/trans isomers video
Isomers - Khan Academy - Structural Isomers video
Hydrocarbon Nomenclature - Khan Academy - Alkynes video
Hydrocarbon Nomenclature - Khan Academy - Alkenes video
Hydrocarbon Nomenclature - Khan Academy - Alkanes video
ICE (RICE) Tables - Professor Dave Explains video
ICE (RICE) Tables - Crash Course video
Reaction Quotients - Bozeman Science video
Reaction Quotients - Q vs. Keq video
Reaction Quotients - Khan Academy video
Le Chatelier - Crash Course - starting at 4:40 video
Le Chatelier - Fuse School - Also see part 1 video
Le Chatelier - Teacher's Pet video
Equilibrium Constant - Khan Academy video
Equilibrium Constant - Bozeman Science video
Equilibrium Constant - Teacher's Pet video
Crash Course - up to 4:40 video
Introduction to Equilibrium - Teacher's Pet video
Introduction to Equilibrium - TedEd video
Dissociation Constants - ChemistNATE video
Dissociation Constants - Khan Academy video
Dissociation Constants - Teacher's Pet video
Strong vs. Weak - FuseSchool video
Strong vs. Weak - Wayne Breslyn video
Strong vs. Weak - TedEd video
Conjugate Pairs - WinScience video
Conjugate Pairs - FuseSchool video
Conjugate Pairs - Khan Academy video
pH & pOH - Bozeman Science video
pH & pOH - Crash Course video
pH & pOH - Khan Academy video
Acid and Base Definitions - Khan Academy - Bronsted-Lowry video
Acid and Base Definitions - Khan Academy - Arrhenius video
Acid and Base Definitions - Teacher's Pet video
Titration Problems - Khan Academy - strong acid, strong base video
Titration Problems - Khan Academy - Weak acid, strong base video
Titration Problems - Fuse School - see part 2 video
Titrations - Khan Academy video
Titrations - FuseSchool video
Titrations - Teacher's Pet video
Buffers - Bozeman Science video
Buffers- Crash Course video
Buffers - Khan Academy video
Acid/Base Equilibrium - The Science Classroom video
Acid/Base Equilibrium - Khan Academy - Weak base video
Acid/Base Equilibrium - Khan Academy - Weak acid video
Free Energy & Keq - Khan Academy video
Free Energy & Keq - Bozeman Science video
Gibbs & Spontaneity - Khan Academy - Example video
Gibbs & Spontaneity - Khan Academy video
Gibbs & Spontaneity - Bozeman Science video
Gibb's Free Energy - Crash Course video
Gibb's Free Energy - Khan Academy video
Gibb's Free Energy - Bozeman Science video
Entropy- TedEd video
Entropy - Khan Academy video
Entropy - Bozeman Science video
Heat of Formation - Brightstorm video
Heat of Formation - Khan Academy video
Heat of Formation - Professor Dave Explains video
Hess's Law - Brightstorm video
Hess's Law - Khan Academy - Example video
Hess's Law - Khan Academy video
Enthalpy (review) - Fuse School - Endo/Exothermic video
Enthalpy (review) - Crash Course video
Enthalpy (review) - Khan Academy video
Catalysts - Fuse School video
Catalysts - Bozeman Science video
Catalysts - Professor Dave Explains video
What affects rate? - Fuse School video
What affects rate? - Teacher's Pet video
What affects rate? - Teacher's Pet-Ted Ed video
Arrhenius Equation - Khan Academy video
Arrhenius Equation - Khan Academy - different forms video
Arrhenius Equation - Ben's Chem Videos video
Rate-Determing Step - Khan Academy video
Rate-Determing Step - Bozeman Science video
Rate-Determing Step - Boomerchemistry video
Rate Laws - Khan Academy video
Rate Laws - Bozeman Science video
Rate Laws - JFR Science video
Reaction Rate - Khan Academy video
Reaction Rate - Fuse School video
Reaction Rate - Bozeman Science video
Collision Theory - Fuse School - part 1 video
Collision Theory - Fuse School - part 2
Electrolysis - Tyler DeWitt video
Electrolysis - Khan Academy video
Electrolysis - Fuse School video
Cell Potentials - Crash Course 4:42 video
Cell Potentials - Khan Academy video
Cell Potentials - Organic Chemistry Tutor video
Galvanic Cells - Tyler DeWitt video
Galvanic Cells - Khan Academy video
Galvanic Cells - DNSeducation video
Intro to Electochem - Tyler DeWitt video
Intro to Electochem - Khan Academy video
Intro to Electochem - Fuse School video
Oxidation/Reduction Intro - Tyler DeWitt video
Oxidation/Reduction Intro - Khan Academy video
Oxidation/Reduction Intro - Crash Course video
